With the dedicated work of a team from Mike Marino's Prosthetic Renaissance, Heidi's entire face, her bust, and even her backside were enhanced, creating an otherworldly effect. She truly looked like a walking, talking toon!

The end result? An eerily perfect look—shown off at Heidi's 16th Annual Halloween Party sponsored by GSN's "Hellevator" and SVEDKA Vodka AT Lavo NEW YORK—that really makes your "hare" stand on end: